7.3 Magnet Rundown Unit (MRU)
1. Location: The bottom edge of the MRU must be mounted 60 in. (1524 mm) above the
Magnet room floor near the front of the magnet enclosure
NOTE:
Consider MRU location not to interfere service area around magnet enclosure
specified in Room Layout.
2. Weight: 7 lbs (3.2 kg)
3. Magnetic field limit: 200 gauss (20 mT)
4.
The MRU is installed by the facility contractor
5. The MRU requires the following facility supplied power:
Table 3-3: MRU Facility Power Requirements
Parameter Requirements
Voltage / Frequency 100-120 VAC 50/60 Hz
200-220 VAC 50/60 Hz
Phase 1
Maximum Amps 1.0
Connection type Hard wired/permanently wired directly to facility power, no plugs or connectors allowed. 1/2 in. PVC
Schedule 40 Conduit recommended
Availability Continuous
Circuit Breaker Dedicated AC disconnect required for both live and neutral connections
SIGNA Voyager Pre-Installation
Direction 5680008–1EN, Revision 2
Chapter 3 Magnet Room 81
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